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Host Defense

Host Defense is built on Paul Stamets' visionary research into the power and potential of mushrooms, especially mushroom mycelium, the root-like structures found growing below ground.
The power of Host Defense comes from the discovery that the mycelium is the immune system of the mushroom.


Just as mycelium helps to support the immune system of humans, it also supports the health and immunity of the natural habitats where it grows. Mushroom mycelium is a cellular bridge connecting bees, trees, bears, plants and humans to the ecosystems in which they live. 

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Predominant in woodlands throughout the world, Turkey Tail is one of the best-documented mushroo...

Hormonal and environmental considerations have led to concerns around breast and reproductive cy...
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Host Defense Breathe


Host Defense® BREATHE is a complementary blend of Chaga, Reishi and Cordyceps. Chaga is well kno...

Stress is our body’s natural way of responding to any kind of demand or perceived threat. When w...
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Host Defense® MycoBotanicals® Energy is a blend of mushrooms and herbs.
We use activated, dried, ...
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MyCommunity® is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a compre...

The liver is the great filter and detoxifier of the body, essential for maintaining health and v...
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The brain is the control center for all functions of the body. We use it to make decisions, reme...
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Blood sugar, or glucose, is regulated and balanced by our liver and is the fuel that powers our ...
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Host Defense Reishi


Used for more than two millennia in Asia, Reishi has been respectfully called the “mushroom of i...
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad le...
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Cordyceps has been traditionally used in Asia for strenuous, high altitude activities and as an ...
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Once widespread, Agarikon (Fomitopsis officinalis) was known in ancient Greece as 'elixirium ad l...
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Paul Stamets designed this blend of seven mushroom species (Royal Sun Blazei, Cordyceps, Reishi, ...
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A uniquely balanced blend of Cordyceps and Reishi, CordyChi brings the benefit of supporting ener...
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Embraced by Eurasians for centuries and found throughout boreal forests, Chaga grows primarily on...
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MyCommunity® is the 17-Species Multi Mushroom Complex originally created by Paul Stamets—a compr...
This beautiful species, appearing as a white waterfall of cascading icicles, is found on broad le...
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$19.95
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Host Defense® BREATHE is a complementary blend of Chaga, Reishi and Cordyceps. Chaga is well know...
Cordyceps (Cordyceps militaris) has been traditionally used in Asia for strenuous, high altitude ...
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$19.95
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A uniquely balanced blend of Cordyceps and Reishi, CordyChi brings the benefit of supporting ener...
+ ADD TO CART
This option is currently sold out.
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$19.95
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Predominant in woodlands throughout the world, Turkey Tail (Trametes versicolor) is one of the be...
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Paul Stamets designed this blend of seven mushroom species (Royal Sun Blazei, Cordyceps, Reishi, ...
Sold Out
This popular species, used for more than two millennia in Asia, has been respectfully called the ...